QWORK 3 Pcs Titanium Step Drill Bit Set, High Speed Steel, 1/8" - 3/4" Total 28 Sizes, HSS Multiple Hole Drilling Cutting with Storage Bag - WD1803

• UPC   726679930652
• 1) 3 standard SAE step drill bits can drill 28 different size of holes on different thickness of materials. One 3/16-inch to 1/2-inch six-step bit, 1/4-inch to 3/4-inch nine-step bit, and 1/8-inch to 1/2-inch 13-step bit(detailed hole size and drill depth of each drill bit please check in Product description below) 2) Made of high quality high speed steel that is hard and sharp enough to drill through wood, plastic, steel and sheet metal 3) Titanium coated surface can reduce friction and overheat when drilling through material for longer life time 4) Two-flute design provides faster, smoother and accurate cutting 5) 1/4" hex shank (6.35mm)can be easily fit into power driver, drill and press drill